S
M
T
W
T
F
S
29
63°
35°
30
80°
47°
31
69°
39°
1
42°
37°
2
69°
49°
3
66°
50°
4
63°
35°
5
52°
35°
6
50°
32°
7
42°
33°
8
60°
46°
9
62°
42°
10
58°
43°
11
58°
47°
12
61°
44°
13
56°
40°
14
59°
41°
15
60°
38°
16
54°
35°
17
52°
39°
18
62°
43°
19
65°
47°
20
67°
49°
21
68°
49°
22
68°
48°
23
69°
50°
24
69°
49°
25
68°
45°
26
61°
37°
27
55°
37°
28
58°
45°
29
58°
43°
30
59°
42°
1
60°
44°
2
64°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Olympia Fields
Olympia Fields's April 2026 forecast shows daily high temperatures ranging from 42° to 69°, with overnight lows between 32° and 50°. The average high for April is 60° with an average low of 43°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Olympia Fields. See also: May | June | July.